Driving Notes

2017 GMC Sierra HD All Terrain X

GMC has been rolling out variants of their trucks that have been slightly enhanced for off-road driving. What started with the Canyon and Sierra 1500 now comes to the GMC 2500 platform with the 2017 Sierra HD All Terrain X.

We already appreciate the GMC Sierra 2500HD, especially when it's powered by the 6.6-liter V-8 turbo diesel and Allison six-speed transmission, so there's no questioning the platform. This is a beefy work truck run through GMC to add more interior and appearance upgrades from its Chevrolet Silverado relative.

And we've heard more and more government agencies are adding GMC pickups to their fleets.

The All Terrain X package adds more aggressive tires, additional LED lighting, and a black appearance package. The upgrade may not draw more budget-conscious fleets, but it does add to the fun of the entire package. The All-Terrain X package adds about $2,990 to the sticker, while the All-Terrain package adds $1,850.